noun, Pathology. 1. the most common form of , usually occurring after middle age, marked by chronic breakdown of cartilage in the joints leading to pain, stiffness, and swelling. /ˌɒstɪəʊɑːˈθraɪtɪs/noun 1. chronic inflammation of the joints, esp those that bear weight, with pain and stiffness Also called degenerative joint disease

osteoarthritis os·te·o·ar·thri·tis (ŏs’tē-ō-är-thrī’tĭs) n. A form of arthritis, occurring mainly in older persons, that is characterized by chronic degeneration of the cartilage of the joints. Also called degenerative joint disease, hypertrophic arthritis, osteoarthrosis. os’te·o·ar·thrit’ic (-thrĭt’ĭk) adj. osteoarthritis (ŏs’tē-ō-är-thrī’tĭs) A form of arthritis, occurring mainly in older people, that is characterized by chronic degeneration of the cartilage of the joints.

[os-tee-uh-blast] /ˈɒs ti əˌblæst/ noun, Anatomy. 1. a bone-forming cell. /ˈɒstɪəʊˌblæst/ noun 1. a bone-forming cell osteoblast os·te·o·blast (ŏs’tē-ə-blāst’) n. A cell from which bone develops; a bone-forming cell. os’te·o·blas’tic adj. osteoblast (ŏs’tē-ə-blāst’) A specialized bone cell that produces and deposits the matrix that is needed for the development of new bone and consists primarily […]

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